如何在 ruby​​ on rails 应用程序中指定公共目录的路径? [英] How to specify the path of the public directory in a ruby on rails app?

问题描述

我想解析 public 文件夹中的 .csv 文件，我试过 /../'s, #{RAILS_ROOT}/public 但没有成功(没有这样的文件或目录错误).我不知道如何使用 Rails.public_path(Rails.public_path/filename.csv 不起作用)请帮忙

I want to parse .csv file which is in public folder, I've tried /../'s, #{RAILS_ROOT}/public but with no success (No such file or directory error). I dunno exactly how to use Rails.public_path (Rails.public_path/filename.csv doesn't work) please help

推荐答案

您可以访问 Rails.root 路径，用它来获取路径

You have access to the Rails.root path, use it to get a path

Rails.root.join("public", "filename.csv")

根据您希望如何使用结果(作为 Path 对象或字符串)，您可能必须对其调用 to_s.

You'll possibly have to call to_s on it depending on how you want to use the result (as a Path object or as a string).

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